News Analysis: U.S. Democrats push for gun control, despite gloomy prospects

Photo taken on Oct. 4, 2017 shows the front door of a gun shop with a sign "criminal are not welcome in this store" in Las Vegas, the United States. In the wake of the worst mass shooting in U.S. history, Democrats on Wednesday began a push to tighten gun control, although they are unlikely to get far, experts said. (Xinhua/Wang Ying)